Gradle中怎么构建一个SpringBoot多模块项目

这篇文章给大家介绍Gradle中怎么构建一个SpringBoot多模块项目，内容非常详细，感兴趣的小伙伴们可以参考借鉴，希望对大家能有所帮助。

1. settings.gradle

/** * rootProject.name 项目名称 * include 模块名称 */rootProject.name = 'micro-service-framework'include 'framework-base'include 'framework-web'include 'framework-redis'

2. build.gradle
这个相当于maven中的父maven配置

buildscript {    ext {        //spring boot 版本        bootVersion = '2.0.6.RELEASE'    }    //私服地址，这个地址适用于gradle自身，比如删除，下面的springboot插件就会找不到    repositories {        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }    }    //springboot gradle插件配置    dependencies {        classpath("org.springframework.boot:spring-boot-gradle-plugin:${bootVersion}")    }}allprojects {    //导入使用的插件    apply plugin: 'java'    apply plugin: 'maven'    //如果导入该插件，你需要指定main class，否则不能打包    //apply plugin: 'org.springframework.boot'    apply plugin: 'io.spring.dependency-management'    //这个插件用于发布jar包到私服    apply plugin: 'maven-publish'    //jdk编译版本    sourceCompatibility = 1.8    //jar包的group ，version配置    group 'net.178le.micro'    version '0.0.1-SNAPSHOT'    //私服地址，    repositories {        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }    }    /**     * 导入了springboot,spring cloud的pom文件，能够免去自己管理版本     * PS: 在Spring官网指导上面有另外一种配置，那种配置需要配置main class，一会说明     */    dependencyManagement {        imports {            mavenBom "org.springframework.boot:spring-boot-starter-parent:${bootVersion}"            mavenBom "org.springframework.cloud:spring-cloud-dependencies:Finchley.SR2"        }    }    //私服发布配置    publishing {        publications {            maven(MavenPublication) {                //指定group/artifact/version信息，可以不填。默认使用项目group/name/version作为groupId/artifactId/version                groupId = project.group                artifactId = project.name                version = project.version                //如果是war包填写components.web，如果是jar包填写components.java                from components.java                //配置上传源码                artifact sourceJar {                    classifier "src"                }            }        }        repositories {            maven {                def releasesUrl = "http://你的私服ip:8081/repository/maven-releases/"                def snapshotsUrl = "http://你的私服ip:8081/repository/maven-snapshots/"                url = version.endsWith('SNAPSHOT') ? snapshotsUrl : releasesUrl                credentials {                    username = 'admin'                    password = 'admin123'                }            }        }    }}//这里的配置对子项目生效subprojects {    dependencies {        testCompile("org.springframework.boot:spring-boot-starter-test")        compile("com.google.guava:guava:28.0-jre")    }}//打包源码task sourceJar(type: Jar) {    from sourceSets.main.allJava}

maven publish使用
在task -> publishing 中有如下几个命令

我认为使用这两个命令就足够了
publishMavenPublicationToMavenLocal 发布项目到本地仓库
publishMavenPublicationToMavenRepository 发布项目到私服

PS：使用apply plugin: 'org.springframework.boot' build必须要指定main class

23:26:17: Executing task 'build'...> Task :framework-base:compileJava NO-SOURCE> Task :framework-base:processResources NO-SOURCE> Task :framework-base:classes UP-TO-DATE> Task :framework-base:jar SKIPPED> Task :framework-redis:compileJava UP-TO-DATE> Task :framework-redis:processResources NO-SOURCE> Task :framework-redis:classes UP-TO-DATE> Task :framework-redis:jar SKIPPED> Task :framework-web:compileJava UP-TO-DATE> Task :framework-web:processResources NO-SOURCE> Task :framework-web:classes UP-TO-DATE> Task :framework-web:bootJar FAILEDFAILURE: Build failed with an exception.* What went wrong:Execution failed for task ':framework-web:bootJar'.> Main class name has not been configured and it could not be resolved* Try:Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.* Get more help at https://help.gradle.orgDeprecated Gradle features were used in this build, making it incompatible with Gradle 5.0.Use '--warning-mode all' to show the individual deprecation warnings.See https://docs.gradle.org/4.10.3/userguide/command_line_interface.html#sec:command_line_warningsBUILD FAILED in 1s3 actionable tasks: 1 executed, 2 up-to-dateMain class name has not been configured and it could not be resolved23:26:18: Task execution finished 'build'.

framework-web 项目 3. build.gradle

dependencies {    //依赖framework-redis项目    compile project(':framework-redis')    //不需要写版本    compile('org.springframework.boot:spring-boot-starter-web')    //不需要写版本    compile('org.springframework.cloud:spring-cloud-starter-openfeign')}

framework-redis 项目 4. build.gradle

dependencies {    //依赖framework-base    compile project(':framework-base')    compile('org.springframework.boot:spring-boot-starter-data-redis')}

framework-base 5. build.gradle

//做为演示没有引入任何jar包dependencies {}

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